20559212

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16131988

約数列:

[1, 2, 4, 103, 139, 206, 278, 359, 412, 556, 718, 1436, 14317, 28634, 36977, 49901, 57268, 73954, 99802, 147908, 199604, 5139803, 10279606, 20559212]

約数ペア:

[(1, 20559212), (2, 10279606), (4, 5139803), (103, 199604), (139, 147908), (206, 99802), (278, 73954), (359, 57268), (412, 49901), (556, 36977), (718, 28634), (1436, 14317)]